CVE-2021-39947 - Vulnerability Details - OpenCVE

Description

In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs

Published: 2022-06-06

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

GitLab

GitLab Runner

affected

Version	Status	Constraints
`<14.3.4`	affected	—
`>=14.4, <14.4.2`	affected	—
`>=14.5, <14.5.2`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab_runner::::::::
	cpe:2.3:a:gitlab:gitlab_runner::::::::
	cpe:2.3:a:gitlab:gitlab_runner::::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-26303	In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00175.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732

History

No history.

Subscriptions

Gitlab Gitlab Runner

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2022-06-06T16:48:14.000Z

Updated: 2024-08-04T02:20:34.198Z

Reserved: 2021-08-23T00:00:00.000Z

Link: CVE-2021-39947

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-06-06T17:15:09.893

Modified: 2024-11-21T06:20:38.303

Link: CVE-2021-39947

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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